PT-2018-15341 · Bnmux · Bnmux Bcw710J+2

Capitan Alfalo · Published 2018-12-23 · Updated 2019-10-03 · CVE-2018-20387

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Bnmux BCW700J version 5.20.7 Bnmux BCW710J version 5.30.6a Bnmux BCW710J2 version 5.30.16

Description The issue allows remote attackers to discover credentials via specific SNMP requests, including "iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0" and "iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0".

Recommendations For Bnmux BCW700J version 5.20.7, restrict access to the SNMP service to minimize the risk of exploitation. For Bnmux BCW710J version 5.30.6a, consider disabling the SNMP protocol until a patch is available. For Bnmux BCW710J2 version 5.30.16, avoid using the vulnerable SNMP requests until the issue is resolved.

Exploit

Fix

Insufficiently Protected Credentials

Weakness Enumeration

CWE-522

Related Identifiers

CVE-2018-20387

Affected Products

Bnmux Bcw700J

Bnmux Bcw710J

Bnmux Bcw710J2

References · 4

• 🔥 https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-20387 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20387 · Vendor Advisory
• https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv · Note